OpenTechnical

OT-2026-000100173

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100173) never changes.

Identity and time

Publication numberOT-2026-000100173 · never reused
Internal UUID01a0aea3-3052-7180-a2f6-95b4a6ecad23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100173
StatusPUBLIC

Content hashes

Canonical textb53014b2cc8c6998da568e27b5b88cbc1ffeb57ad02918c5a9644e2b4c853301
Markdown14c7e07f324fc68c503b926e3d8b69c240d14ce799bf67772c05852a5bfe43d7
PDF
Publication page31dc79e3eddc38e7d163a56389f44cc91453946a4b03329a25054dd20348c379
Manifest5b980de8e1fd8e35feeec3388275dd493510e0ce415307f6a15ca2fc58606749

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureAWUE6/a+iXB4i8xhcJzUJR23dEF3Phkx8XBtFvURAD4a/1wi2H1Vg8MUT/UGMsHC3YKAKIehM7LJaf9axjIUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:53.098934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100173
observed 31dc79e3eddc38e7d163a56389f44cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.079482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100173/manifest.json
observed 5b980de8e1fd8e35feeec3388275dd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.062600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100173/publication.md
observed 14c7e07f324fc68c503b926e3d8b69c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.043366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100173/publication.txt
observed b53014b2cc8c6998da568e27b5b88cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.